Submission #585539

#	Time	Username	Problem	Language	Result	Execution time	Memory
585539		LastRonin	철로 (IOI14_rail)	C++14	8 / 100	66 ms	468 KiB

rail

#include "rail.h"
#include<bits/stdc++.h>
using namespace std;
/*
typedef struct Station {
  int index;
  int type;
  int location;
  int L,R;
}STATION;
long long cnt;
static int S,SUBTASK;
static STATION stations[10004];

int cmp_fun_1(const void *a,const void *b)
{
	STATION c,d;
	c = *(STATION*)(a);
	d = *(STATION*)(b);
  	return c.location < d.location ? -1 : 1;
}

int cmp_fun_2(const void *a,const void *b)
{
	STATION c,d;
	c = *(STATION*)(a);
	d = *(STATION*)(b);
  	return c.index < d.index ? -1 : 1;
}

void now_I_want_to_getLR(){
  int now = stations[S-1].index,i;
  for(i=S-2;i>=0;i--){
    stations[i].R = now;
    if(stations[i].type==2)	now = stations[i].index;
  }
  now = stations[0].index;
  for(i=1;i<S;i++){
    stations[i].L = now;
    if(stations[i].type==1)	now = stations[i].index;
  }
}

int getDistance(int x,int y)
{
  cnt++;
  if(x==y)	return 0;
  if(x<0 || x>=S || y<0 || y>=S)    return -1;
  if(stations[x].location > stations[y].location){
  	int tmp = x;
	x = y;
	y = tmp;
  }
  int ret = 0;
  if(stations[x].type==1 && stations[y].type==1){
    ret = stations[stations[y].R].location-stations[x].location+stations[stations[y].R].location-stations[y].location;
  }else if(stations[x].type==1 && stations[y].type==2){
    ret = stations[y].location-stations[x].location;
  }else if(stations[x].type==2 && stations[y].type==2){
    ret = stations[x].location-stations[stations[x].L].location+stations[y].location-stations[stations[x].L].location;
  }else if(stations[x].type==2 && stations[y].type==1){
    ret = stations[x].location-stations[stations[x].L].location+stations[stations[y].R].location
      -stations[stations[x].L].location+stations[stations[y].R].location-stations[y].location;
  }
  return ret;
}


void getInput()
{
  int g;
  g = scanf("%d",&SUBTASK);
  g = scanf("%d",&S);
  int s;
  for (s = 0; s < S; s++) {
    int type, location;
    g = scanf(" %d %d",&type,&location);
    stations[s].index = s;
    stations[s].location = location;
    stations[s].type = type;
    stations[s].L = -1;
    stations[s].R = -1;
  }
  qsort(stations, S, sizeof(STATION), cmp_fun_1);
  now_I_want_to_getLR();
  qsort(stations, S, sizeof(STATION), cmp_fun_2);
}

int serverGetStationNumber()
{
  return S;
}

int serverGetSubtaskNumber()
{
  return SUBTASK;
}

int serverGetFirstStationLocation()
{
  return stations[0].location;
}
/**/
void findLocation(int n, int first, int location[], int stype[]) {
	location[0] = first;
	stype[0] = 1;
	for(int i = 1; i < n; i++) {
		location[i] = first + getDistance(0, i);
		stype[i] = 2;
	}
}
/*
int main()
{
  int i;
  getInput();
  cnt = 0;
  
  int location[10005];
  int type[10005];
  int ok = 1;
  findLocation(S, serverGetFirstStationLocation(),location, type);
  if(SUBTASK==3 && cnt>S*(S-1))	ok = 0;
  if(SUBTASK==4 && cnt>3*(S-1))	ok = 0;
  
  
  for (i = 0; i < S; i++)
    if(type[i]!=stations[i].type || location[i]!=stations[i].location)
      ok = 0;
  if(ok==0)	printf("Incorrect");
  else	printf("Correct");
  return 0;
}
/**/

Compilation message (stderr)

rail.cpp:103:1: warning: "/*" within comment [-Wcomment]
  103 | /**/
      |  
rail.cpp:134:1: warning: "/*" within comment [-Wcomment]
  134 | /**/
      |

• Subtask 1: 8 / 8
• Subtask 2: 0 / 22
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44